1121202021002 has 12 divisors (see below), whose sum is σ = 1956383118450. Its totient is φ = 480515151816.

The previous prime is 1121202020971. The next prime is 1121202021083. The reversal of 1121202021002 is 2001202021211.

It can be written as a sum of positive squares in only one way, i.e., 1107547864801 + 13654156201 = 1052401^2 + 116851^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5720418377 + ... + 5720418572.

Almost surely, 2^{1121202021002} is an apocalyptic number.

1121202021002 is a deficient number, since it is larger than the sum of its proper divisors (835181097448).

1121202021002 is a wasteful number, since it uses less digits than its factorization.

1121202021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11440836965 (or 11440836958 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1121202021002 its reverse (2001202021211), we get a palindrome (3122404042213).

The spelling of 1121202021002 in words is "one trillion, one hundred twenty-one billion, two hundred two million, twenty-one thousand, two".